8
3.4
Ducting
for
14HP,
16HP,
18HP,
20HP
and
22HP
Units
3.4.1
Option
A
–
Transverse
ducting
Figure
3
‐
3.4:
Transverse
ducting
for
14HP,
16HP,
18HP,
20HP
and
22HP
units
(unit:
mm))
Table
3
‐
3.5:
Duct
dimensions
Dimensions
(mm)
Table
3
‐
3.6:
External
static
pressure
A
A
≥
300
ESP
(Pa)
Remarks
B
B
≥
250
0
Factory
default
C
C
≤
3000
0
–
20
Remove
steel
mesh
and
connect
to
duct
<
3m
long
D
630
≤
D
≤
660
E
E
=
A
+
630
>
20
Customization
option
θ
Θ ≤
15°
3.4.2
Option
B
–
Longitudinal
ducting
Figure
3
‐
3.5:
Longitudinal
ducting
for
14HP,
16HP,
18HP,
20HP
and
22HP
units
(unit:
mm)
Table
3
‐
3.7:
Duct
dimensions
Dimensions
(mm)
Table
3
‐
3.8:
External
static
pressure
A
A
≥
300
ESP
(Pa)
Remarks
B
B
≥
250
0
Factory
default
C
C
≤
3000
0
–
20
Remove
steel
mesh
and
connect
to
duct
<
3m
long
D
D
=
A
+
1290
θ
Θ ≤
15°
>
20
Customization
option
1290
Support
Radius
Radius
Air
outlet
louver
(optional)
630
A
C
D
B
90
10
0
θ
E
1290
1020
300
320
12
×
φ
3.3
630
630
Support
Radius
Radius
Air
outlet
louver
(optional)
1290
A
C
B
90
10
0
θ
D
1310
1290
1020
300
320
12
×
φ
3.3
630
12 ×
ST3.9
self
‐
threading
screws
Remove
the
steel
meshes
first
12 ×
ST3.9
self
‐
threading
screws
Remove
the
steel
meshes
first